| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.91 | 3.06 | -0.15 |
| Feb | 2.48 | 2.58 | -0.10 |
| Mar | 3.71 | 3.77 | -0.06 |
| Apr | 3.53 | 3.43 | 0.10 |
| May | 3.91 | 3.96 | -0.05 |
| Jun | 4.01 | 4.01 | 0.00 |
| Jul | 4.40 | 4.40 | 0.00 |
| Aug | 3.84 | 3.82 | 0.02 |
| Sep | 4.51 | 4.58 | -0.07 |
| Oct | 3.90 | 3.91 | -0.01 |
| Nov | 3.06 | 3.06 | 0.00 |
| Dec | 3.34 | 3.49 | -0.15 |
43.60 | 44.07 | -0.47 |